64264210538 has 24 divisors (see below), whose sum is σ = 106261769376. Its totient is φ = 29126785160.

The previous prime is 64264210471. The next prime is 64264210567. The reversal of 64264210538 is 83501246246.

64264210538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64264210495 and 64264210504.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298670 + ... + 466617.

It is an arithmetic number, because the mean of its divisors is an integer number (4427573724).

Almost surely, 2^64264210538 is an apocalyptic number.

64264210538 is a deficient number, since it is larger than the sum of its proper divisors (41997558838).

64264210538 is a wasteful number, since it uses less digits than its factorization.

64264210538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765658 (or 765647 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 64264210538 in words is "sixty-four billion, two hundred sixty-four million, two hundred ten thousand, five hundred thirty-eight".